TV preview: Supersize v Superskinny looks at our dysfunctional relationship with food, the Junior Doctors come to the end of their placements and Horizon reveals the secrets of the three-minute workout tonight on TV.

There was a 'culture' of 'illegal payments' to police at the Sun newspaper, the head of the criminal investigation into allegations public officials unlawfully accepted money from journalists, told the Leveson inquiry.

After absorbing the functions of an MP3 player and camera the next thing on the smartphone's target list is a shopper's wallet, after Vodafone and Visa promised a 'revolution' in how people pay and get paid.